The PT&G replacement bolt is a nice upgrade. A bit pricey compared to just the shroud but a classier way to go. Is it more accurate? I am sure it is but with my shooting skills can't really say, but it sure feels and looks better.
"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli